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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 533 · 40 sums
TalentJR

The trick (Gunita Samuccayah): Add the digits of a number; keep adding until one digit is left (a total of 9 stays 9). For a product, multiply the digital roots of the two numbers and take the digital root of that. If your answer’s digital root is different, the answer is wrong.

NameDateTime takenScore ___ / 40
  1. 1.Digital root of 41668 =
  2. 2.Digital root of 3999 =
  3. 3.Digital root of 51338 =
  4. 4.Digital root of 67 × 59 =
  5. 5.Digital root of 27 × 50 =
  6. 6.Digital root of 14290 =
  7. 7.Digital root of 98212 =
  8. 8.Digital root of 61195 =
  9. 9.Digital root of 29955 =
  10. 10.Digital root of 33432 =
  11. 11.Digital root of 65 × 91 =
  12. 12.Digital root of 35976 =
  13. 13.Digital root of 59499 =
  14. 14.Digital root of 17 × 61 =
  15. 15.Digital root of 1844 =
  16. 16.Digital root of 15118 =
  17. 17.Digital root of 21 × 25 =
  18. 18.Digital root of 44567 =
  19. 19.Digital root of 26409 =
  20. 20.Digital root of 49 × 71 =
  21. 21.Digital root of 93092 =
  22. 22.Digital root of 19 × 14 =
  23. 23.Digital root of 59026 =
  24. 24.Digital root of 37163 =
  25. 25.Digital root of 16 × 54 =
  26. 26.Digital root of 13 × 20 =
  27. 27.Digital root of 48289 =
  28. 28.Digital root of 6569 =
  29. 29.Digital root of 79 × 56 =
  30. 30.Digital root of 6573 =
  31. 31.Digital root of 85 × 24 =
  32. 32.Digital root of 51 × 53 =
  33. 33.Digital root of 38552 =
  34. 34.Digital root of 35 × 43 =
  35. 35.Digital root of 17784 =
  36. 36.Digital root of 21 × 70 =
  37. 37.Digital root of 24 × 74 =
  38. 38.Digital root of 71944 =
  39. 39.Digital root of 86 × 16 =
  40. 40.Digital root of 68812 =

Answer key

  1. 7
  2. 3
  3. 2
  4. 2
  5. 9
  6. 7
  7. 4
  8. 4
  9. 3
  10. 6
  11. 2
  12. 3
  13. 9
  14. 2
  15. 8
  16. 7
  17. 3
  18. 8
  19. 3
  20. 5
  21. 5
  22. 5
  23. 4
  24. 2
  25. 9
  26. 8
  27. 4
  28. 8
  29. 5
  30. 3
  31. 6
  32. 3
  33. 5
  34. 2
  35. 9
  36. 3
  37. 3
  38. 7
  39. 8
  40. 7

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